Answer :
Final answer:
The minimum vision requirement for a commercial driver license is 20/40 vision, tested using methods such as the Snellen chart.
Explanation:
The minimum eyesight requirement for a commercial driver license is 20/40 vision. To determine this, a vision test is used such as the Snellen chart, which demonstrates visual acuity by presenting standard letters in different sizes to be seen from 20 feet away. This means that the smallest letters that you can see at a 20-foot distance, a person with normal acuity could see from 40 feet away. This standard ensures the safety of the driver and those around them on the road.
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